HS code for Frozen fish: 0303.89

Classification of frozen fish under HS 0303.89

The classification of frozen fish under HS code 0303.89 is determined by a process of elimination within the Harmonized System's hierarchical structure. Heading 0303 covers fish, frozen, excluding fish fillets and other fish meat of heading 0304. Within this heading, specific subheadings are provided for popular commercial species such as salmon, trout, flatfish, tunas, herrings, and cod. When a fish species does not fall into any of these specifically named categories, it is classified under the residual code 0303.89, which stands for 'other' frozen fish. This classification requires that the fish be either whole, headed, gutted, or tailed, but it must not be filleted. The freezing process must be sufficient to preserve the product during transport and storage, typically requiring temperatures at or below -18 degrees Celsius. It is important to note that this code specifically excludes edible fish offal, such as livers and roes, which are classified under subheadings 0303.91 through 0303.99. Furthermore, if the fish has been further processed—for example, by being smoked, salted, or cooked—it would move to headings 0305 or 1604. Accurate classification under 0303.89 ensures compliance with international trade regulations and appropriate duty application for non-specified marine and freshwater species.

Covers

• Whole frozen snapper
• Frozen grouper (whole or gutted)
• Frozen sea bass (not elsewhere specified)
• Frozen parrotfish
• Frozen mahi-mahi (whole or headed/gutted)
• Frozen monkfish (excluding livers)

Also under 0303.89

• Frozen Whole Atlantic Mackerel
• Frozen Gutted Pacific Herring
• Frozen Headless Hake
• Frozen Whole Sardinella
• Frozen Red Snapper (whole)

Codes often confused with 0303.89

Common mistake. A frequent point of confusion occurs between HS code 0303.89 and HS code 0304.99. The distinction lies in the physical form of the fish meat. While 0303.89 is for whole or minimally processed fish, 0304.99 is for fish meat that has been removed from the skeleton, such as minced meat. Another common error involves misclassifying edible offal. For instance, if a shipment contains frozen fish heads or tails separately, these should be classified under 0303.99 rather than 0303.89. Additionally, species-specific codes like 0303.51 (herrings) or 0303.11 (sockeye salmon) must always take precedence over the general 0303.89 code if the species is explicitly listed in the tariff schedule.

Brazil NCM codes for frozen fish

Brazil splits HS 0303.89 into 22 NCM codes. Pick the one that matches your product:

• 0303.89.10Frozen whitemouth croaker
• 0303.89.20Frozen weakfish
• 0303.89.32Frozen southern red snapper
• 0303.89.33Frozen monkfish (anglerfish)
• 0303.89.41Frozen wreckfish
• 0303.89.42Frozen groupers (Acanthistius)
• 0303.89.43Frozen mullets
• 0303.89.44Frozen sturgeon (4 Acipenser spp.)
• 0303.89.45Frozen sand smelts
• 0303.89.46Frozen Patagonian rockcod (notothens)
• 0303.89.51Frozen prochilods
• 0303.89.52Frozen tilapia (not Oreochromis)
• 0303.89.53Frozen shovelnose catfish
• 0303.89.54Frozen trahira
• 0303.89.55Frozen headstanders (Leporinus)
• 0303.89.56Frozen arapaima
• 0303.89.61Frozen laulao catfish (piramutaba)
• 0303.89.62Frozen gilded catfish
• 0303.89.63Frozen pacu
• 0303.89.64Frozen tambaqui
• 0303.89.65Frozen tambacu (tambaqui-pacu hybrid)
• 0303.89.90Other frozen fish

Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.

Questions about frozen fish